| 摘要 |
The hydraulic system for driving auto guided vehicles for operations of lifting, clamping, centering and locking except running, comprises small-capacity/large-capacity pumps (5),(6) provided at a hydraulic oil tank (1); five three-way valves (10-1,2,3,4,5) connected with the supply port and five branched passages; a cooling system (11) and a drain filter (12) connected with the return port of five three-way valves; two hydraulic motors (17,18) for driving a carry-in clamp and centering device, two hydraulic motors (23,24) for driving a carry-out clamp and centering device, two locking cylinders (29,30), a carry-in lifting cylinder (34) and a carry-out lifting cylinder (39).
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